F23J2900/13006 - CPC Classification Index

ClassID:

156886 ⎘

F23J2900/13006 - CPC Classification

Classification description:

Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes Devices for heating the chimney top to avoid ice formation

Recent Application in this class:

20190053333

2019-02-14

Heating coil for a plumbing vent

20170336073

2017-11-23

METHOD AND APPARATUS FOR AVOIDING FROST OR ICE BUILD-UP ON EXHAUST VENTS AND AIR INTAKES OF CONDENSING APPLIANCES

20070207718

2007-09-06

HEATED PLUMBING VENT

20060057950

2006-03-16

Heated plumbing vent